求下列算术表达式的值。（1）x+a%3*（int）（x+y）%2/4 设x=2.5，a=7，y=4.7

Question

如题所述

Answer 1

2.5
x+a%3*（int）（x+y）%2/4 设x=2.5，a=7，y=4.7
=2.5+7%3*(int )(2.5+4.7)
=2.5+1*(int)7 %2/4
=2.5+7%2/4
=2.5+1/4
=2.5

Answer 2

x+a%3*（int）（x+y）%2/4 设x=2.5，a=7，y=4.7
=2.5+7%3*(int )(2.5+4.7)
=2.5+1*(int)7
=2.5+7
=9.5
=9
因为是int型，所以去掉小数部分。本回答被网友采纳

Answer 3

x + a % 3 * (int) (x + y) % 2 / 4=
x + (a % 3 * ((int)(x + y)) % 2 / 4)=
2.5

Answer 4

9对

Answer 5

2.5